DE3679249D1 - Optisches informationsspeicherungsmedium. - Google Patents

Optisches informationsspeicherungsmedium.

Info

Publication number
DE3679249D1
DE3679249D1 DE8686110786T DE3679249T DE3679249D1 DE 3679249 D1 DE3679249 D1 DE 3679249D1 DE 8686110786 T DE8686110786 T DE 8686110786T DE 3679249 T DE3679249 T DE 3679249T DE 3679249 D1 DE3679249 D1 DE 3679249D1
Authority
DE
Germany
Prior art keywords
storage medium
information storage
optical information
optical
medium
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE8686110786T
Other languages
English (en)
Inventor
Masaki Itoh
Akio Morimoto
Sotaro Esho
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP60175137A external-priority patent/JPS6233686A/ja
Priority claimed from JP60175138A external-priority patent/JPH0654549B2/ja
Application filed by NEC Corp filed Critical NEC Corp
Application granted granted Critical
Publication of DE3679249D1 publication Critical patent/DE3679249D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G11B7/257—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
    • G11B7/243—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising inorganic materials only, e.g. ablative layers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
    • G11B7/243—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising inorganic materials only, e.g. ablative layers
    • G11B2007/24302—Metals or metalloids
    • G11B2007/24306—Metals or metalloids transition metal elements of groups 3-10
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
    • G11B7/243—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising inorganic materials only, e.g. ablative layers
    • G11B2007/24302—Metals or metalloids
    • G11B2007/24312—Metals or metalloids group 14 elements (e.g. Si, Ge, Sn)
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
    • G11B7/243—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising inorganic materials only, e.g. ablative layers
    • G11B2007/24318—Non-metallic elements
    • G11B2007/2432—Oxygen
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G11B7/257—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers
    • G11B7/2572—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers consisting essentially of organic materials
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G11B7/257—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers
    • G11B7/2578—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers consisting essentially of inorganic materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
DE8686110786T 1985-08-08 1986-08-04 Optisches informationsspeicherungsmedium. Expired - Fee Related DE3679249D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP60175137A JPS6233686A (ja) 1985-08-08 1985-08-08 光記録材料
JP60175138A JPH0654549B2 (ja) 1985-08-08 1985-08-08 光記録媒体

Publications (1)

Publication Number Publication Date
DE3679249D1 true DE3679249D1 (de) 1991-06-20

Family

ID=26496491

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686110786T Expired - Fee Related DE3679249D1 (de) 1985-08-08 1986-08-04 Optisches informationsspeicherungsmedium.

Country Status (3)

Country Link
US (1) US4763139A (de)
EP (1) EP0211435B1 (de)
DE (1) DE3679249D1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2525822B2 (ja) * 1986-10-25 1996-08-21 株式会社東芝 光記録媒体及びその製造方法
GB8801366D0 (en) * 1988-01-21 1988-02-17 Secr Defence Infra red transparent materials
US5164290A (en) * 1989-06-30 1992-11-17 Dainippon Ink And Chemicals Inc. Optical recording medium
JPH06150380A (ja) * 1992-11-02 1994-05-31 Pioneer Electron Corp 光記録媒体
FR2746934B1 (fr) 1996-03-27 1998-05-07 Saint Gobain Vitrage Dispositif electrochimique
US6858278B2 (en) * 2001-12-18 2005-02-22 Matsushita Electric Industrial Co., Ltd. Information recording medium and method for producing the same
EP1324326B1 (de) * 2001-12-18 2005-11-30 Matsushita Electric Industrial Co., Ltd. Informationsaufzeichnungsmedium und Verfahren zu dessen Herstellung
DE602004010451T2 (de) * 2003-04-15 2008-11-20 Ricoh Co., Ltd. Einmal beschreibbarer, mehrmals lesbarer optischer Datenträger und Verfahren zum Beschreiben und Lesen des Datenträgers
US6984481B2 (en) * 2003-06-24 2006-01-10 Industrial Technology Research Institute Write-once optical recording medium
KR100805638B1 (ko) * 2004-02-27 2008-02-20 닛코킨조쿠 가부시키가이샤 스퍼터링 타겟트와 광 정보기록매체 및 그 제조방법

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7809159A (nl) * 1977-09-29 1979-04-02 Philips Nv Informatieregistratie element met kleurstof bevattende hulplaag.
JPS6023037B2 (ja) * 1980-03-18 1985-06-05 旭化成株式会社 情報記録部材
US4461807A (en) * 1980-07-25 1984-07-24 Asahi Kasei Kogyo Kabushiki Kaisha Recording material
JPS57141033A (en) * 1981-02-23 1982-09-01 Asahi Chem Ind Co Ltd Information recording materials
JPS57205193A (en) * 1981-06-12 1982-12-16 Fuji Photo Film Co Ltd Optical information recording medium
JPS58121149A (ja) * 1981-12-22 1983-07-19 Fujitsu Ltd 記録媒体
DE3336445A1 (de) * 1982-10-06 1984-04-12 Fuji Photo Film Co., Ltd., Minamiashigara, Kanagawa Lichtinformationsaufzeichnungsmaterial
JPS59185048A (ja) * 1983-04-01 1984-10-20 Matsushita Electric Ind Co Ltd 光学情報記録部材及び記録方法
KR860002121B1 (ko) * 1984-03-28 1986-11-26 마쓰시다덴기산교 가부시기가이샤 광학정보 기록부재
US4599298A (en) * 1984-07-16 1986-07-08 Minnesota Mining And Manufacturing Company Graphic arts imaging constructions using vapor-deposited layers

Also Published As

Publication number Publication date
EP0211435B1 (de) 1991-05-15
EP0211435A1 (de) 1987-02-25
US4763139A (en) 1988-08-09

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee